Given by Selkov, Gene

Arnold Boiteux, Werner Ebeling, and Gene Selkov (1983)
This is a photo of Arnold Boiteux, Werner Ebeling, and Gene Selkov on a boat in Pushchino, USSR in 1983.

Natasha Sedova, Gene Selkov, and Arthur Winfree (1983)
This is a photo of Natasha Sedova, Gene Selkov, and Arthur Winfree taken in 1983 in Puschino, USSR.

Newspaper article from Albert Zaikin (communicated through Gene Selkov)
Newspaper article about Anatol Zhabotinsky and Albert Zaikin